Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 47, NWS Corpus Christi, TX

May 9, 2019Aransas County, Calhoun County, Refugio County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 9, 2019, 11:21 PM CDT for Aransas County, Calhoun County, Refugio County, Texas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 9, 2019, 11:21 PM CDT (04:21 UTC)
Expired
May 9, 2019, 11:45 PM CDT
In force
24 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Aransas County, TX, Calhoun County, TX, Refugio County, TX

The radar

The Corpus Christi radar (KCRP), 76 km from the middle of the area, began a volume at 04:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 9, 9:44 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 4.4 hours before the alert went out and 70 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 00:00Z on 2019-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2875 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2019-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2875 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
794 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
-0.3
Supercell composite
-1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 9, 10:03 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, May 9, 10:03 PM CDT, 1 hour 18 minutes before
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Hazardous weather outlook, May 9, 3:22 PM CDT, 7 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Corpus Christi TX
322 PM CDT Thu May 9 2019

TXZ229>234-239>247-342>347-442-443-447-102030-
La Salle-McMullen-Live Oak-Bee-Goliad-Victoria-Webb-Duval-
Jim Wells-Inland Kleberg-Inland Nueces-Inland San Patricio-
Coastal Aransas-Inland Refugio-Inland Calhoun-Coastal Kleberg-
Coastal Nueces-Coastal San Patricio-Aransas Islands-
Coastal Refugio-Coastal Calhoun-Kleberg Islands-Nueces Islands-
Calhoun Islands-
322 PM CDT Thu May 9 2019

This hazardous weather outlook is for South Texas.

.DAY ONE...Today and Tonight

Scattered to widespread thunderstorms are expected today and
tonight. Storms will be strong to severe with the initial threat
this afternoon and early evening being large hail. The threat
will transition to damaging winds as the storms congeal into a
squall line. Heavy rainfall will also be expected with these
storms, and therefore a Flash Flood Watch will be in effect
starting today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Scattered to widespread thunderstorms are expected Thursday through
Tuesday. Some storms could be strong to severe, especially Thursday
night. The primary threats with these storms will be flooding, gusty
winds, and small hail.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to relay reports of severe
weather and flooding. Use hashtags #ccspotter and #txwx

GMZ230-235-250-255-270-275-102030-
Bays and Waterways from Baffin Bay to Port Aransas-
Bays and Waterways from Port Aransas to Port O'Connor-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-Waters from Baffin Bay to Port Aransas from 20 to 60 NM-
Waters from Port Aransas to Matagorda Ship Channel from 20 to
60 NM-
322 PM CDT Thu May 9 2019

This hazardous weather outlook is for the Middle Texas
Coastal Waters.

.DAY ONE...Today and Tonight

Widespread showers and thunderstorms expected tonight. Some storms
could be strong to severe with high wind gusts being the main
threat.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Weak to moderate onshore flow is expected Friday through Sunday.
Otherwise, stormy conditions will persist through the weekend, with
some storms being strong to severe. The primary threats with these
storms will be heavy rainfall, gusty winds, and small hail.

.SPOTTER INFORMATION STATEMENT...

Mariners are encouraged to relay reports of hazardous marine
conditions. Use hashtags #ccspotter and #txwx

87/99

In the hours before

Special weather statement, May 9, 8:59 PM CDT, 2 hours 22 minutes before
Special Weather Statement
National Weather Service Corpus Christi TX
859 PM CDT Thu May 9 2019

TXZ230-231-100245-
Live Oak-McMullen-
859 PM CDT Thu May 9 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MCMULLEN AND
SOUTHWESTERN LIVE OAK COUNTIES...

At 859 PM CDT, a strong thunderstorm was located 9 miles northwest of
Clegg, or 18 miles southwest of George West, moving northeast at 15
mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

This storm will remain over mainly rural areas of southeastern
McMullen and southwestern Live Oak Counties.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 2807 9840 2818 9852 2842 9837 2827 9812
TIME...MOT...LOC 0159Z 219DEG 14KT 2820 9838

CB
Local storm report, May 9, 10:06 PM CDT, 1 hour 15 minutes before
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Local storm report, May 9, 10:41 PM CDT, 40 minutes before
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Local storm report, May 9, 10:47 PM CDT, 34 minutes before
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Local storm report, May 9, 10:51 PM CDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1051 PM CDT THU MAY 9 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1045 PM     HAIL             GOLIAD                  28.67N 97.39W
05/09/2019  E1.00 INCH       GOLIAD             TX   PUBLIC

&&

DVOGELSA
Local storm report, May 9, 10:52 PM CDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1052 PM CDT THU MAY 9 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0955 PM     TSTM WND DMG     2 NW PETTUS             28.60N 97.82W
05/09/2019                   BEE                TX   FIRE DEPT/RESCUE

            TREES DOWN ALONG FM 798. TIME ESTIMATED FROM RADAR.

1040 PM     HAIL             GOLIAD                  28.67N 97.39W
05/09/2019  E0.25 INCH       GOLIAD             TX   PUBLIC

1045 PM     TSTM WND GST     GOLIAD                  28.67N 97.39W
05/09/2019  E60.00 MPH       GOLIAD             TX   PUBLIC

1045 PM     HAIL             GOLIAD                  28.67N 97.39W
05/09/2019  E1.00 INCH       GOLIAD             TX   PUBLIC

&&

DVOGELSA

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 7:41 PM CDTSevere Thunderstorm WarningCRPDuval, Webb64 min
May 9, 7:49 PM CDTSpecial Weather StatementCRPLa Salle26 min
May 9, 7:58 PM CDTSevere Thunderstorm WarningCRPLa Salle, McMullen47 min
May 9, 8:29 PM CDTSpecial Weather StatementCRPLive Oak46 min
May 9, 8:32 PM CDTAreal Flood AdvisoryCRPLa Salle, McMullen118 min
May 9, 8:38 PM CDTSevere Thunderstorm WarningCRPBee, Live Oak37 min
May 9, 8:45 PM CDTSevere Thunderstorm WarningCRPLive Oak, McMullen45 min
May 9, 8:48 PM CDTSpecial Weather StatementCRPDuval42 min
May 9, 8:50 PM CDTFlash Flood WarningCRPLa Salle, McMullen3 hr
May 9, 8:59 PM CDTSpecial Weather StatementCRPLive Oak46 min
May 9, 9:11 PM CDTSevere Thunderstorm WarningCRPBee, Goliad, Live Oak, McMullen49 min
May 9, 9:16 PM CDTAreal Flood AdvisoryCRPBee, Live Oak119 min
May 9, 9:43 PM CDTFlash Flood WarningCRPBee, Live Oak3 hr
May 9, 9:54 PM CDTSevere Thunderstorm WarningCRPBee, Goliad, Live Oak51 min
May 9, 10:03 PM CDTSevere Thunderstorm WarningCRPWebb26 min
May 9, 10:15 PM CDTSevere Thunderstorm WarningCRPGoliad, Refugio, Victoria45 min
May 9, 10:20 PM CDTSevere Thunderstorm WarningCRPAransas, Bee, Goliad, Refugio, San Patricio55 min
May 9, 10:21 PM CDTAreal Flood AdvisoryCRPBee, Goliad, Live Oak84 min
May 9, 10:56 PM CDTSevere Thunderstorm WarningCRPAransas, Calhoun, Goliad, Refugio, Victoria49 min
May 9, 11:00 PM CDTAreal Flood AdvisoryCRPAransas, Bee, Calhoun, Goliad, Refugio, San Patricio and 1 more2 hr
May 9, 11:14 PM CDTSpecial Marine WarningCRP91 min
May 9, 11:41 PM CDTSevere Thunderstorm WarningCRPAransas, Calhoun, Refugio, Victoria49 min
May 10, 12:41 AM CDTSpecial Marine WarningCRP94 min
May 10, 2:10 AM CDTSpecial Marine WarningCRP80 min
May 10, 2:36 AM CDTSpecial Weather StatementCRPSan Patricio24 min
May 10, 3:12 AM CDTSevere Thunderstorm WarningCRPAransas, Calhoun, Refugio48 min
May 10, 3:13 AM CDTRip Current StatementCRPAransas, Calhoun, Kleberg, Nueces25 hr
May 10, 3:25 AM CDTSpecial Marine WarningCRP50 min
May 10, 3:27 AM CDTSpecial Weather StatementCRPKleberg33 min
May 10, 4:04 AM CDTFlash Flood WarningCRPAransas, Calhoun, San Patricio3 hr
May 10, 4:06 AM CDTSpecial Weather StatementCRPAransas24 min
May 10, 4:10 AM CDTSpecial Weather StatementCRPJim Wells35 min
May 10, 4:33 AM CDTSpecial Marine WarningCRP57 min
May 10, 4:41 AM CDTSpecial Weather StatementCRPNueces34 min
May 10, 4:55 AM CDTSpecial Weather StatementCRPNueces35 min
May 10, 4:59 AM CDTFlash Flood WarningCRPNueces2 hr
May 10, 5:20 AM CDTSpecial Weather StatementCRPKleberg40 min
May 10, 5:25 AM CDTSpecial Marine WarningCRP95 min
May 10, 5:33 AM CDTFlash Flood WarningCRPKleberg90 min
May 10, 5:46 AM CDTSpecial Weather StatementCRPKleberg29 min
May 10, 6:01 AM CDTFlash Flood WarningCRPKleberg, Nueces104 min
May 10, 6:13 AM CDTSpecial Marine WarningCRP92 min
May 10, 6:29 AM CDTCoastal Flood AdvisoryCRPKleberg, Nueces16 hr
May 10, 6:36 AM CDTSpecial Marine WarningCRP84 min
May 10, 6:58 AM CDTAreal Flood WarningCRPNueces62 min
May 10, 7:27 AM CDTSpecial Marine WarningCRP93 min
May 10, 9:55 AM CDTSmall Craft AdvisoryCRP9 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2019Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.